tree-vect-slp.c (vect_build_slp_tree_1): For BB vectorization do not allow unrolling.
2015-05-12 Richard Biener <rguenther@suse.de> * tree-vect-slp.c (vect_build_slp_tree_1): For BB vectorization do not allow unrolling. * gcc.dg/vect/bb-slp-35.c: New testcase. From-SVN: r223033
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2015-05-12 Richard Biener <rguenther@suse.de>
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* tree-vect-slp.c (vect_build_slp_tree_1): For BB vectorization
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do not allow unrolling.
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2015-05-11 Richard Henderson <rth@redhat.com>
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* config/i386/i386-modes.def (CCP): New.
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@ -1,3 +1,7 @@
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2015-05-12 Richard Biener <rguenther@suse.de>
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* gcc.dg/vect/bb-slp-35.c: New testcase.
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2015-05-11 Mikael Morin <mikael@gcc.gnu.org>
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PR fortran/66100
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/* { dg-do compile } */
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/* { dg-require-effective-target vect_int } */
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void foo (int * __restrict__ p, short * __restrict__ q)
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{
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p[0] = q[0] + 1;
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p[1] = q[1] + 1;
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p[2] = q[2] + 1;
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p[3] = q[3] + 1;
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}
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/* { dg-final { scan-tree-dump "basic block vectorized" "slp2" } } */
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/* { dg-final { cleanup-tree-dump "slp2" } } */
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@ -568,6 +568,19 @@ vect_build_slp_tree_1 (loop_vec_info loop_vinfo, bb_vec_info bb_vinfo,
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return false;
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}
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/* If populating the vector type requires unrolling then fail
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before adjusting *max_nunits for basic-block vectorization. */
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if (bb_vinfo
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&& TYPE_VECTOR_SUBPARTS (vectype) > group_size)
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{
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dump_printf_loc (MSG_MISSED_OPTIMIZATION, vect_location,
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"Build SLP failed: unrolling required "
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"in basic block SLP\n");
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/* Fatal mismatch. */
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matches[0] = false;
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return false;
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}
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/* In case of multiple types we need to detect the smallest type. */
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if (*max_nunits < TYPE_VECTOR_SUBPARTS (vectype))
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{
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